#!/bin/bash

# 此脚本需要TomCat执行，包括检测big screen进程状态、端口状态

# 系统ID
system_id=$(cat config.cnf | grep SystemId | awk -F "=" '{print $2}')
# 告警存放文件夹
alert_dir=$(cat config.cnf | grep AlertDir | awk -F "=" '{print $2}')
# 告警缓存文件
alarm_file_tmp="bigscreen_check_alarm.txt"
echo -n "" >${alarm_file_tmp}
# 本机ip
local_ip=`ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`
# big-screen端口
bigscreen_port=$(cat config.cnf | grep BigScreenPort | awk -F "=" '{print $2}')
execute_cycle=$(cat config.cnf | grep ExecuteCycle | awk -F "=" '{print $2}')

# big-screen进程状态监控
bigscreen_pro_check() {

    bigscreen_pro=$(ps -elf | grep big-screen | grep -v grep | grep -v bigscreen_check | wc -l)
	if [[ ${bigscreen_pro} == 0 ]]; then
        # 进程状态不存在，告警
         ./gen_alarm.sh -g "应用进程监控" "bigscreen进程不存在,IP:$(hostname -I)" 3 "bigscreen进程" "big-screen_pro" ${alarm_file_tmp}
    else
        # 告警存在，恢复原告警
        ./gen_alarm.sh -r "应用进程监控" "bigscreen进程恢复正常,IP:$(hostname -I)" "bigscreen进程" "big-screen_pro" ${alarm_file_tmp}

        # 端口检查
        bigscreen_port_check
    fi
}

# big-screen运行端口监控
bigscreen_port_check() {

    port=$(netstat -nplt | grep ":${bigscreen_port} ")
    if [[ ${port} == '' ]]; then
        # 端口未监听，告警
        ./gen_alarm.sh -g "端口状态" "bigscreen服务端口[${bigscreen_port}]未监听,IP:$(hostname -I)" 3 "bigscreen端口状态" "big-screen_port" ${alarm_file_tmp}
    else
        # 端口正常且存在告警，需要恢复告警
        ./gen_alarm.sh -r "端口状态" "bigscreen服务端口[${bigscreen_port}]恢复正常,IP:$(hostname -I)" "bigscreen端口状态" "big-screen_port" ${alarm_file_tmp}
    fi
}


while true; do
    holidays_date=$(cat config.cnf | grep Holidays | awk -F "=" '{print $2}' | sed "s/,/ /g")
	current_date=$(date +'%Y-%m-%d')
	echo $holidays_date | grep -o $current_date >> /dev/null
	if [[ $? -eq 0 ]]; then
		exit 0
	else
		echo -n "" >${alarm_file_tmp}
		bigscreen_pro_check
		
		# 将缓存告警放入告警文件夹
		./gen_alarm.sh -s ${alarm_file_tmp}
		sleep ${execute_cycle}
	fi
done